“seed production stand”的概念、定义、翻译、参考文献-科学参考

单词	seed production stand
释义	seed production stand Encyclopedia 农学母树林释 seed production stand母树林在优良天然林或确知种源的优良人工林基础上，经过留优去劣的疏伐，为生产遗传品质较好的林木种子而营建的采种林分。
随便看	phase margin phase mask phase mask coronagraph phasemass phase match phase matching phase matching angle phase measurement phase-measuring interferometer phase-measuring interferometry phasemeter phase mismatch phase mixing phase modulation phase modulation and demodulation phase modulation of hydro-generator unit phase modulation, PM phase modulator phase noise phase noise measurement instrument phase object phase of alternating current phase of an eclipse phase of clusters phase of eclipse

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